How long Until the Wii reach 50% Market share?

[JHawkNH]

Data for 2/20/09

Raw Data:

 

	Total Sales
Item	Current	1 Week ago	4 Week ago	12 week ago
Wii	47,233,092	46,794,327	45,500,585	38,455,085
360	28,725,717	28,499,449	27,909,466	24,013,723
PS3	20,616,911	20,459,978	20,026,771	17,506,395

	Per Week Avg
Item	1 Week Avg	4 Week Avg	12 Week Avg
Wii	438,765	433,127	731,501
360	226,268	204,063	392,666
PS3	156,933	147,535	259,210

Conculsions:

 

	Number of weeks to 50% based on:
Item	1 Week Avg	4 Week Avg	12 Week Avg
Wii	38.0	25.9	26.5

Dates used:

Current	1 Week	4 Week	12 week
2/20/2009	2/13/2009	1/23/2009	11/28/2008

I believe that the best bet is the 4 week average becase this will average out the supply jumps and slumps for the Wii.